Brazil NCM · 8-digit subitem

NCM 2828.90.20 – Sodium chlorite

NCM 2828.90.20 (also written 28289020) is Brazil's code for sodium chlorite. Its first 6 digits are HS code 2828.90.

Official description of NCM 2828.90.20

PortuguêsOfficial
Clorito de sódio
EnglishUnofficial translation

Sodium chlorite

Nomenclatura Comum do Mercosul (Siscomex). Updated Oct 2026 · In force since Apr 2022 (Res Gecex 272/2021).

How to read NCM 2828.90.20

28Chapter 28Heading 90Subheading

HS code 2828.90
Same in every country

2Item 0Subitem

Added by Mercosur
Brazil, Argentina, Paraguay, Uruguay

The first 6 digits are the international HS code, so their meaning is the same in every country; Brazil publishes the text in Portuguese. Digits 7 and 8 are Brazil's own split of that HS code. The full 8-digit code is used on import declarations (DUIMP), invoices (NF-e) and tax filings.

Full classification path

  1. Chapter 28 Inorganic chemicals; organic and inorganic compounds of precious metals; of rare earth metals, of radio-active elements and of isotopes Produtos químicos inorgânicos; compostos inorgânicos ou orgânicos de metais preciosos, de elementos radioativos, de metais das terras raras ou de isótopos.
  2. Heading 28.28 Hypochlorites; commercial calcium hypochlorite; chlorites; hypobromites Hipocloritos; hipoclorito de cálcio comercial; cloritos; hipobromitos.
  3. Subheading 2828.90 Hypochlorites; n.e.c. in heading no. 2828 Outros
  4. Subitem 2828.90.20 Sodium chlorite Clorito de sódio

Other NCM codes under HS 2828.90

2828.90.11 Sodium hypochloriteDe sódio 2828.90.19 Other hypochloritesOutros 2828.90.90 Other chlorites and hypobromitesOutros

Questions about NCM 2828.90.20

What is NCM 2828.90.20?

NCM 2828.90.20 (28289020) is the Brazilian (Mercosur) code for sodium chlorite. Its official Portuguese description is “Clorito de sódio”.

What is the HS code for NCM 2828.90.20?

HS 2828.90 (Hypochlorites; n.e.c. in heading no. 2828). The first 6 digits of an NCM code are its international HS code; the last 2 digits are Brazil's own split.

Is an NCM code the same as an HS code?

The first 6 digits are the same in every country. NCM adds an item digit (7th) and a subitem digit (8th). A code ending in 00 means Brazil does not split that HS code further.

Which countries use NCM 2828.90.20?

All Mercosur members use the same NCM codes: Argentina, Brazil, Paraguay and Uruguay.

Source: Siscomex Classif NCM table, updated Oct 2026 (Resolução Gecex nº 926/2026). The Portuguese text is the official one; the English is our translation.